Diagnostic Test

WARNING: This page is about a different car, the 2012 RAM Pickup and 2012 RAM Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

TEST FOR INTERMITTENT CONDITION
1. Turn the ignition on.
2. Using a scan tool, record and erase Diagnostic Trouble Codes (DTCs).
3. Operate the Right Rear Heated Seat Switch in both positions several times.
4. Using a scan tool, read DTCs.
  Does the scan tool display DTC B1151-RIGHT REAR HEATED SEAT SWITCH STUCK?
  
  Yes
  - Go To 2.
  No
  - The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
CHECK FOR SHORTED RIGHT REAR HEATED SEAT SWITCH

Fig 1: Checking For Shorted Right Rear Heated Seat Switch
Courtesy of CHRYSLER GROUP, LLC
1. Turn the ignition off.
2. Disconnect the Right Rear Heated Seat Switch connector.
  NOTE:
  Check connectors. Clean and repair as necessary.
3. Turn the ignition on.
4. With the scan tool in CCN, select Data Display and read the Right Rear Heated Seat state.
  Does the switch state display Not Set?
  
  Yes
  - Replace the Right Rear Heated Seat Switch in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Go To 3.
CHECK (P166) RIGHT REAR HEATED SEAT SWITCH SENSE CIRCUIT FOR A SHORT TO GROUND

Fig 2: Checking Right Rear Heated Seat Switch Sense Circuit For A Short To Ground
Courtesy of CHRYSLER GROUP, LLC
1. Turn the ignition off.
2. Disconnect the Cluster C2 connector.
3. Measure the resistance of the (P166) Right Rear Heated Seat Switch Sense circuit between ground and the Right Rear Heated Seat Switch connector.
  Is the resistance below 10K Ohms?
  
  Yes
  - Repair the (P166) Right Rear Heated Seat Switch Sense circuit for a short to ground.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Go To 4.
CHECK (P166) RIGHT REAR HEATED SEAT SWITCH SENSE CIRCUIT FOR A SHORT TO (Z910) GROUND CIRCUIT

Fig 3: Checking Right Rear Heated Seat Switch Sense Circuit For A Short To Ground Circuit
Courtesy of CHRYSLER GROUP, LLC
1. Measure the resistance between the (P166) Right Rear Heated Seat Switch Sense circuit and the (Z910) Ground circuit at the Right Rear Heated Seat Switch connector.
  Is the resistance below 10K Ohms?
  
  Yes
  - Repair the (P166) Right Rear Heated Seat Switch Sense circuit for a short to the (Z910) Ground circuit.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Replace the Cluster (CCN) in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .